benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 lar5 Larch_No_5_1947_USCGS, 1992-06-16,  JWK ,  USGS/CVO ,  ASHTECH L-XII,  005,  6A,  ASH700228D,  005,  NONE, 1.1254, 1.1757, 15, 234845
 lar5 Larch_No_5_1947_USCGS, 1992-06-17,  JWK ,  USGS/CVO ,  ASHTECH L-XII,  005,  6A,  ASHTECH,  005,  NONE, 1.4147, 0, 15, 45
 lar5, 1998-08-24,  unknown ,  CVO ,  Trimble 4000SSi,  16106,  NP,  TRM29659.00,  66597,  NONE, 1.4579, 0, 30, 152630
 lar5, 1998-08-25,  unknown ,  CVO ,  Trimble 4000SSi,  16106,  NP,  TRM29659.00,  66597,  NONE, 1.3792, 0, 30, 145530
 lar5 Larch_No_5_1947_USCGS, 2008-11-18,  BP ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220264600,  NP,  TRM41249.00,  60054886,  NONE, 1.0273, 1.085, 15, 16480
 lar5 Larch_No_5_1947_USCG, 2003-10-15,  EYI ,  USGS/Cascades Volcan,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  12532395,  NONE, 1.443, 1.497, 30, 1560
 lar5 Larch_No_5_1947_USCG, 2003-10-16,  EYI ,  USGS/Cascades Volcan,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  12532395,  NONE, 1.3665, 1.421, 30, 154100